Merge pull request #84 from wingedfox/master

Fixed connection abort when waiting for connection recovery
#84: Fixed connection abort when waiting for connection recovery
#85: add github.io to crossdomain.xml
#87: Fixed upload files into browsers that do not support FormData
Merge pull request #86 from wingedfox/master

Smarter upload recovery
#87: correct decision for not 'photo' files
Merge branch 'dev' of github.com:mailru/FileAPI into dev
#86: Smarter upload recovery
* Fixed support accept attribute for Flash.
* Fixed detection of HTML5 support for FireFox 3.6
allow add files to head or tail of a queue